/Engine/Plugins/Experimental/RenderGrid/Source/RenderGrid/Public/Utils/RenderGridUtils.h
Will re-use the given Texture2D if possible, bOutReusedGivenTexture2D will be true if it was possible.
static [UTexture2D](API\Runtime\Engine\Engine\UTexture2D) * DataToExistingTexture2D ( int32 Width, int32 Height, const void * Src, SIZE_T Count, [UTexture2D](API\Runtime\Engine\Engine\UTexture2D) * Texture2D, bool & bOutReusedGivenTexture2D )